13868133 has 4 divisors (see below), whose sum is σ = 18490848. Its totient is φ = 9245420.

The previous prime is 13868131. The next prime is 13868159. The reversal of 13868133 is 33186831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33186831 = 3 ⋅11062277.

It is a cyclic number.

It is not a de Polignac number, because 13868133 - 2¹ = 13868131 is a prime.

It is a super-2 number, since 2×13868133² = 384650225811378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13868094 and 13868103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13868131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2311353 + ... + 2311358.

It is an arithmetic number, because the mean of its divisors is an integer number (4622712).

Almost surely, 2^13868133 is an apocalyptic number.

It is an amenable number.

13868133 is a deficient number, since it is larger than the sum of its proper divisors (4622715).

13868133 is an equidigital number, since it uses as much as digits as its factorization.

13868133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622714.

The product of its digits is 10368, while the sum is 33.

The square root of 13868133 is about 3723.9942266335. The cubic root of 13868133 is about 240.2551279999.

The spelling of 13868133 in words is "thirteen million, eight hundred sixty-eight thousand, one hundred thirty-three".